# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       王景渊  
# Name:         随堂练习04
# Description:
# Author:       dell
# Date:         2019/2/27
#-------------------------------------------------------------------------------
print('{:>8}'.format('189'))
print('{:<8}'.format('123'))
print('{:,}'.format(1234567890))